Home / 1,670,856.76-2,502,913.86-771,048.28

Finding the Fourth Proportional to 1,670,856.76, 2,502,913.86 and 771,048.28

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Solution

The fourth proportional to 1,670,856.76, 2,502,913.86 and 771,048.28 is: 1,155,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,856.76 : 2,502,913.86 = 771,048.28 : x
  2. Step 2: Convert to fraction form
    1,670,856.76/2,502,913.86 = 771,048.28/x
  3. Step 3: Cross multiply
    1,670,856.76x = 2,502,913.86 × 771,048.28
  4. Step 4: Simplify right side
    1,670,856.76x = 1,929,867,426,741.16
  5. Step 5: Solve for x
    x = 1,929,867,426,741.16/1,670,856.76
  6. Step 6: Final answer
    x = 1,155,016.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.